Flora of North America species comparison

erect or ascending, sparsely strigulose.

decumbent to ascending or spreading, villous-tomentulose or white-pannose.

(3–)4–12 cm;

stipules connate and scarious-papery at proximal nodes, distinct and herbaceous at distal nodes, 1.5–5 mm;

leaflets (17–)21–29, blades flat or loosely folded, oblong-oblanceolate or elliptic, 3–13 mm, apex obtuse to subacute, surfaces sparsely strigulose abaxially, glabrate or glabrous adaxially.

4–10 cm;

stipules 1.5–4 mm;

leaflets 21–29, blades ovate, obovate, oval, or oblong-elliptic, 2.5–15 mm, apex obtuse or emarginate, surfaces villous-tomentulose.

(5–)10–30-flowered;

axis (1.5–)3–19 cm in fruit;

bracts 1–2 mm;

bracteoles 2.

loosely 12–30-flowered;

axis 2.5–8 cm in fruit;

bracts 1.5–2 mm;

bracteoles 2.

(2–)4–11 cm.

ascending, drooping or humistrate in fruit, 4–14 cm.

0.6–1.5 mm.

1–1.5 mm.

5.8–8 mm;

calyx marcescent, 3.4–4.3 mm, strigulose, hairs black and/or white, tube 2.1–2.7 mm, lobes subulate, 1–2 mm;

corolla whitish or, sometimes, greenish ochroleucous, immaculate;

banner abruptly incurved through 90°;

keel 4.2–5.6 mm.

14.2–17.5 mm;

calyx short-cylindric, 7.5–9 mm, villous, tube 5.2–6.2 mm, lobes broadly subulate, 2.2–3.5 mm;

corolla ochroleucous, concolorous, banner veined or suffused with purple;

keel 10.2–12.9 mm.

stramineous, straight or slightly incurved or decurved, linear-oblong or linear-oblanceolate, 3-sided compressed, 15–30 × (2.5–)3–4 mm, bilocular, papery, glabrous;

valves inflexed as complete septum 1.4–1.9 mm wide;

stipe 1.5–2.5 mm.

pendulous but appearing otherwise when humistrate, green-stramineous, straight or slightly incurved, lanceoloid-oblong, semi-ellipsoid, distinctly 3-sided compressed, 8–16 × 3.2–5.5 mm, leathery, villous-tomentulose;

septum 1.1–1.8 mm wide;

stipe 4–8.5 mm, pubescent.

12–16.

12–16.